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. Author manuscript; available in PMC: 2021 Sep 22.
Published in final edited form as: Cold Spring Harb Protoc. 2021 Jun 1;2021(6):10.1101/pdb.prot106880. doi: 10.1101/pdb.prot106880
Reagent Final concentration Amount to add (100 × stock)
NaCl 58 mM 34 g
KCl 0.67 mM 0.5 g
Ca(NO3)2 0.34 mM 0.8 g
MgSO4 0.83 mM 2.06 g
HEPES 10 mM 119 g